Which one of the following is most likely not a case of uniform circular motion?(a) motion of the earth around the sun(b) motion of a toy train on a circular track(c) motion of a racing car on a circular track(d) motion of hours' hand on the dial of a clock
The tip of second hand of a clock takes 60sec to move once on the circular dial of the clock.If the radius of the dial of the clock be 10.5cm.Calculate the speed of the tip of the sec hand of the clock (π=22/7).